DESCRIPTION

The EF9345, new advanced color CRT controller, in conjunction with an additional standard memory

package allow full implementation of the complete display control unit of a color or monochrome low

cost termainl, thus significantly reducing IC cost and PCB space.

.SINGLE CHIP LOW-COST COLOR CRT CONTROLLER

.TV STANDARD COMPATIBLE (50Hz or 60Hz)

.2 SCREEN FORMATS :

  - 25 (or 21) ROWS OF 40 CHARACTERS

  - 25 (or 21) ROWS OF 80 CHARACTERS

.ON-CHIP 128 ALPHANUMERIC AND 128 SEMI-GRAPHIC CHARACTER GENERATOR TWO STANDARD OPTIONS AVAILABLE FOR ALPHANUMERIC SETS (EF9345-R003 IS NO MORE AVAILABLE)

.EASY EXTENSION OF USER DEFINED ALPHANUMERIC OR SEMI-GRAPHIC SETS (> 1 K CHARACTERS)

.40 CHARACTERS/ROW ATTRIBUTES : FOREGROUND AND BACKGROUND COLOR, DOUBLE HEIGHT, DOUBLE WIDTH, BLINKING, REVERSE, UNDERLINING, CONCEAL, IN SERT, ACCENTUATION OF LOWER CASE CHARACTERS

.80 CHARACTERS/ROW ATTRIBUTES : UNDERLINING, BLINKING, REVERSE, COLOR SELECT

.PROGRAMMABLE ROLL-UP, ROLL-DOWN AND CURSOR DISPLAY

.ON-CHIP R, G, B, I VIDEO SHIFT REGISTERS

.EASY SYNCHRONIZATION WITH EXTERNAL VIDEO-SOURCE : ON-CHIP PHASE COMPARATOR

.ADDRESS/DATA MULTIPLEXED BUS DIRECTLY COMPATIBLE WITH STANDARD MICROCOMPUTERS SUCH AS 6801, 6301, 8048, 8051, ST9

.ADDRESSING SPACE : 16K x 8 OF GENERAL PURPOSE PRIVATE MEMORY

.EASY OF USE OF ANY LOW-COST MEMORY COMPONENTS : ROM, SRAM, DRAM